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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-06 12:59:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-06 12:59:41 -0700
commitbe6297e9be118d89fa477a60ddfbf0e0b2dfacec (patch)
tree1c710355e97a9c1916c28c570cab260519fada74 /fs
parent5791577963426c5a2db51fff57e9fcd72061e2c3 (diff)
parentb5f515735bea4ae71c248aea3e049073f8852889 (diff)
downloadlinux-be6297e9be118d89fa477a60ddfbf0e0b2dfacec.tar.bz2
Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o: "Scalability improvements when allocating inodes, and some miscellaneous bug fixes and cleanups" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: avoid Y2038 overflow in recently_deleted() ext4: fix fault handling when mounted with -o dax,ro ext4: fix quota inconsistency during orphan cleanup for read-only mounts ext4: fix incorrect quotaoff if the quota feature is enabled ext4: remove useless test and assignment in strtohash functions ext4: backward compatibility support for Lustre ea_inode implementation ext4: remove timebomb in ext4_decode_extra_time() ext4: use sizeof(*ptr) ext4: in ext4_seek_{hole,data}, return -ENXIO for negative offsets ext4: reduce lock contention in __ext4_new_inode ext4: cleanup goto next group ext4: do not unnecessarily allocate buffer in recently_deleted()
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/dir.c2
-rw-r--r--fs/ext4/ext4.h11
-rw-r--r--fs/ext4/file.c19
-rw-r--r--fs/ext4/hash.c4
-rw-r--r--fs/ext4/ialloc.c93
-rw-r--r--fs/ext4/inode.c8
-rw-r--r--fs/ext4/mmp.c2
-rw-r--r--fs/ext4/super.c38
-rw-r--r--fs/ext4/xattr.c141
9 files changed, 207 insertions, 111 deletions
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index e8b365000d73..b04e882179c6 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -411,7 +411,7 @@ static struct dir_private_info *ext4_htree_create_dir_info(struct file *filp,
{
struct dir_private_info *p;
- p = kzalloc(sizeof(struct dir_private_info), GFP_KERNEL);
+ p = kzalloc(sizeof(*p), GFP_KERNEL);
if (!p)
return NULL;
p->curr_hash = pos2maj_hash(filp, pos);
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index a2bb7d2870e4..84b9da192238 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -838,13 +838,11 @@ static inline void ext4_decode_extra_time(struct timespec *time, __le32 extra)
{
if (unlikely(sizeof(time->tv_sec) > 4 &&
(extra & cpu_to_le32(EXT4_EPOCH_MASK)))) {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,20,0)
+
+#if 1
/* Handle legacy encoding of pre-1970 dates with epoch
- * bits 1,1. We assume that by kernel version 4.20,
- * everyone will have run fsck over the affected
- * filesystems to correct the problem. (This
- * backwards compatibility may be removed before this
- * time, at the discretion of the ext4 developers.)
+ * bits 1,1. (This backwards compatibility may be removed
+ * at the discretion of the ext4 developers.)
*/
u64 extra_bits = le32_to_cpu(extra) & EXT4_EPOCH_MASK;
if (extra_bits == 3 && ((time->tv_sec) & 0x80000000) != 0)
@@ -1567,6 +1565,7 @@ enum {
nolocking */
EXT4_STATE_MAY_INLINE_DATA, /* may have in-inode data */
EXT4_STATE_EXT_PRECACHED, /* extents have been precached */
+ EXT4_STATE_LUSTRE_EA_INODE, /* Lustre-style ea_inode */
};
#define EXT4_INODE_BIT_FNS(name, field, offset) \
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 0d7cf0cc9b87..197653ea6041 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -279,7 +279,20 @@ static int ext4_dax_huge_fault(struct vm_fault *vmf,
handle_t *handle = NULL;
struct inode *inode = file_inode(vmf->vma->vm_file);
struct super_block *sb = inode->i_sb;
- bool write = vmf->flags & FAULT_FLAG_WRITE;
+
+ /*
+ * We have to distinguish real writes from writes which will result in a
+ * COW page; COW writes should *not* poke the journal (the file will not
+ * be changed). Doing so would cause unintended failures when mounted
+ * read-only.
+ *
+ * We check for VM_SHARED rather than vmf->cow_page since the latter is
+ * unset for pe_size != PE_SIZE_PTE (i.e. only in do_cow_fault); for
+ * other sizes, dax_iomap_fault will handle splitting / fallback so that
+ * we eventually come back with a COW page.
+ */
+ bool write = (vmf->flags & FAULT_FLAG_WRITE) &&
+ (vmf->vma->vm_flags & VM_SHARED);
if (write) {
sb_start_pagefault(sb);
@@ -595,7 +608,7 @@ static loff_t ext4_seek_data(struct file *file, loff_t offset, loff_t maxsize)
inode_lock(inode);
isize = i_size_read(inode);
- if (offset >= isize) {
+ if (offset < 0 || offset >= isize) {
inode_unlock(inode);
return -ENXIO;
}
@@ -658,7 +671,7 @@ static loff_t ext4_seek_hole(struct file *file, loff_t offset, loff_t maxsize)
inode_lock(inode);
isize = i_size_read(inode);
- if (offset >= isize) {
+ if (offset < 0 || offset >= isize) {
inode_unlock(inode);
return -ENXIO;
}
diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c
index 38b8a96eb97c..00c6dd29e621 100644
--- a/fs/ext4/hash.c
+++ b/fs/ext4/hash.c
@@ -148,8 +148,6 @@ static void str2hashbuf_signed(const char *msg, int len, __u32 *buf, int num)
if (len > num*4)
len = num * 4;
for (i = 0; i < len; i++) {
- if ((i % 4) == 0)
- val = pad;
val = ((int) scp[i]) + (val << 8);
if ((i % 4) == 3) {
*buf++ = val;
@@ -176,8 +174,6 @@ static void str2hashbuf_unsigned(const char *msg, int len, __u32 *buf, int num)
if (len > num*4)
len = num * 4;
for (i = 0; i < len; i++) {
- if ((i % 4) == 0)
- val = pad;
val = ((int) ucp[i]) + (val << 8);
if ((i % 4) == 3) {
*buf++ = val;
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 507bfb3344d4..71e93a23cec3 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -692,24 +692,25 @@ static int find_group_other(struct super_block *sb, struct inode *parent,
* somewhat arbitrary...)
*/
#define RECENTCY_MIN 5
-#define RECENTCY_DIRTY 30
+#define RECENTCY_DIRTY 300
static int recently_deleted(struct super_block *sb, ext4_group_t group, int ino)
{
struct ext4_group_desc *gdp;
struct ext4_inode *raw_inode;
struct buffer_head *bh;
- unsigned long dtime, now;
- int inodes_per_block = EXT4_SB(sb)->s_inodes_per_block;
- int offset, ret = 0, recentcy = RECENTCY_MIN;
+ int inodes_per_block = EXT4_SB(sb)->s_inodes_per_block;
+ int offset, ret = 0;
+ int recentcy = RECENTCY_MIN;
+ u32 dtime, now;
gdp = ext4_get_group_desc(sb, group, NULL);
if (unlikely(!gdp))
return 0;
- bh = sb_getblk(sb, ext4_inode_table(sb, gdp) +
+ bh = sb_find_get_block(sb, ext4_inode_table(sb, gdp) +
(ino / inodes_per_block));
- if (unlikely(!bh) || !buffer_uptodate(bh))
+ if (!bh || !buffer_uptodate(bh))
/*
* If the block is not in the buffer cache, then it
* must have been written out.
@@ -718,18 +719,45 @@ static int recently_deleted(struct super_block *sb, ext4_group_t group, int ino)
offset = (ino % inodes_per_block) * EXT4_INODE_SIZE(sb);
raw_inode = (struct ext4_inode *) (bh->b_data + offset);
+
+ /* i_dtime is only 32 bits on disk, but we only care about relative
+ * times in the range of a few minutes (i.e. long enough to sync a
+ * recently-deleted inode to disk), so using the low 32 bits of the
+ * clock (a 68 year range) is enough, see time_before32() */
dtime = le32_to_cpu(raw_inode->i_dtime);
- now = get_seconds();
+ now = ktime_get_real_seconds();
if (buffer_dirty(bh))
recentcy += RECENTCY_DIRTY;
- if (dtime && (dtime < now) && (now < dtime + recentcy))
+ if (dtime && time_before32(dtime, now) &&
+ time_before32(now, dtime + recentcy))
ret = 1;
out:
brelse(bh);
return ret;
}
+static int find_inode_bit(struct super_block *sb, ext4_group_t group,
+ struct buffer_head *bitmap, unsigned long *ino)
+{
+next:
+ *ino = ext4_find_next_zero_bit((unsigned long *)
+ bitmap->b_data,
+ EXT4_INODES_PER_GROUP(sb), *ino);
+ if (*ino >= EXT4_INODES_PER_GROUP(sb))
+ return 0;
+
+ if ((EXT4_SB(sb)->s_journal == NULL) &&
+ recently_deleted(sb, group, *ino)) {
+ *ino = *ino + 1;
+ if (*ino < EXT4_INODES_PER_GROUP(sb))
+ goto next;
+ return 0;
+ }
+
+ return 1;
+}
+
/*
* There are two policies for allocating an inode. If the new inode is
* a directory, then a forward search is made for a block group with both
@@ -892,19 +920,13 @@ got_group:
/*
* Check free inodes count before loading bitmap.
*/
- if (ext4_free_inodes_count(sb, gdp) == 0) {
- if (++group == ngroups)
- group = 0;
- continue;
- }
+ if (ext4_free_inodes_count(sb, gdp) == 0)
+ goto next_group;
grp = ext4_get_group_info(sb, group);
/* Skip groups with already-known suspicious inode tables */
- if (EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
- if (++group == ngroups)
- group = 0;
- continue;
- }
+ if (EXT4_MB_GRP_IBITMAP_CORRUPT(grp))
+ goto next_group;
brelse(inode_bitmap_bh);
inode_bitmap_bh = ext4_read_inode_bitmap(sb, group);
@@ -912,27 +934,20 @@ got_group:
if (EXT4_MB_GRP_IBITMAP_CORRUPT(grp) ||
IS_ERR(inode_bitmap_bh)) {
inode_bitmap_bh = NULL;
- if (++group == ngroups)
- group = 0;
- continue;
+ goto next_group;
}
repeat_in_this_group:
- ino = ext4_find_next_zero_bit((unsigned long *)
- inode_bitmap_bh->b_data,
- EXT4_INODES_PER_GROUP(sb), ino);
- if (ino >= EXT4_INODES_PER_GROUP(sb))
+ ret2 = find_inode_bit(sb, group, inode_bitmap_bh, &ino);
+ if (!ret2)
goto next_group;
- if (group == 0 && (ino+1) < EXT4_FIRST_INO(sb)) {
+
+ if (group == 0 && (ino + 1) < EXT4_FIRST_INO(sb)) {
ext4_error(sb, "reserved inode found cleared - "
"inode=%lu", ino + 1);
- continue;
- }
- if ((EXT4_SB(sb)->s_journal == NULL) &&
- recently_deleted(sb, group, ino)) {
- ino++;
- goto next_inode;
+ goto next_group;
}
+
if (!handle) {
BUG_ON(nblocks <= 0);
handle = __ext4_journal_start_sb(dir->i_sb, line_no,
@@ -952,11 +967,23 @@ repeat_in_this_group:
}
ext4_lock_group(sb, group);
ret2 = ext4_test_and_set_bit(ino, inode_bitmap_bh->b_data);
+ if (ret2) {
+ /* Someone already took the bit. Repeat the search
+ * with lock held.
+ */
+ ret2 = find_inode_bit(sb, group, inode_bitmap_bh, &ino);
+ if (ret2) {
+ ext4_set_bit(ino, inode_bitmap_bh->b_data);
+ ret2 = 0;
+ } else {
+ ret2 = 1; /* we didn't grab the inode */
+ }
+ }
ext4_unlock_group(sb, group);
ino++; /* the inode bitmap is zero-based */
if (!ret2)
goto got; /* we grabbed the inode! */
-next_inode:
+
if (ino < EXT4_INODES_PER_GROUP(sb))
goto repeat_in_this_group;
next_group:
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c774bdc22759..714396760616 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4897,14 +4897,6 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
brelse(iloc.bh);
ext4_set_inode_flags(inode);
- if (ei->i_flags & EXT4_EA_INODE_FL) {
- ext4_xattr_inode_set_class(inode);
-
- inode_lock(inode);
- inode->i_flags |= S_NOQUOTA;
- inode_unlock(inode);
- }
-
unlock_new_inode(inode);
return inode;
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index eb9835638680..77cdce1f17ce 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -367,7 +367,7 @@ skip:
goto failed;
}
- mmpd_data = kmalloc(sizeof(struct mmpd_data), GFP_KERNEL);
+ mmpd_data = kmalloc(sizeof(*mmpd_data), GFP_KERNEL);
if (!mmpd_data) {
ext4_warning(sb, "not enough memory for mmpd_data");
goto failed;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index d61a70e2193a..c9e7be58756b 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2404,6 +2404,7 @@ static void ext4_orphan_cleanup(struct super_block *sb,
unsigned int s_flags = sb->s_flags;
int ret, nr_orphans = 0, nr_truncates = 0;
#ifdef CONFIG_QUOTA
+ int quota_update = 0;
int i;
#endif
if (!es->s_last_orphan) {
@@ -2442,14 +2443,32 @@ static void ext4_orphan_cleanup(struct super_block *sb,
#ifdef CONFIG_QUOTA
/* Needed for iput() to work correctly and not trash data */
sb->s_flags |= MS_ACTIVE;
- /* Turn on quotas so that they are updated correctly */
+
+ /*
+ * Turn on quotas which were not enabled for read-only mounts if
+ * filesystem has quota feature, so that they are updated correctly.
+ */
+ if (ext4_has_feature_quota(sb) && (s_flags & MS_RDONLY)) {
+ int ret = ext4_enable_quotas(sb);
+
+ if (!ret)
+ quota_update = 1;
+ else
+ ext4_msg(sb, KERN_ERR,
+ "Cannot turn on quotas: error %d", ret);
+ }
+
+ /* Turn on journaled quotas used for old sytle */
for (i = 0; i < EXT4_MAXQUOTAS; i++) {
if (EXT4_SB(sb)->s_qf_names[i]) {
int ret = ext4_quota_on_mount(sb, i);
- if (ret < 0)
+
+ if (!ret)
+ quota_update = 1;
+ else
ext4_msg(sb, KERN_ERR,
"Cannot turn on journaled "
- "quota: error %d", ret);
+ "quota: type %d: error %d", i, ret);
}
}
#endif
@@ -2510,10 +2529,12 @@ static void ext4_orphan_cleanup(struct super_block *sb,
ext4_msg(sb, KERN_INFO, "%d truncate%s cleaned up",
PLURAL(nr_truncates));
#ifdef CONFIG_QUOTA
- /* Turn quotas off */
- for (i = 0; i < EXT4_MAXQUOTAS; i++) {
- if (sb_dqopt(sb)->files[i])
- dquot_quota_off(sb, i);
+ /* Turn off quotas if they were enabled for orphan cleanup */
+ if (quota_update) {
+ for (i = 0; i < EXT4_MAXQUOTAS; i++) {
+ if (sb_dqopt(sb)->files[i])
+ dquot_quota_off(sb, i);
+ }
}
#endif
sb->s_flags = s_flags; /* Restore MS_RDONLY status */
@@ -5512,6 +5533,9 @@ static int ext4_enable_quotas(struct super_block *sb)
DQUOT_USAGE_ENABLED |
(quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0));
if (err) {
+ for (type--; type >= 0; type--)
+ dquot_quota_off(sb, type);
+
ext4_warning(sb,
"Failed to enable quota tracking "
"(type=%d, err=%d). Please run "
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 3dd970168448..3b69330a4250 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -354,8 +354,10 @@ free_bhs:
return ret;
}
+#define EXT4_XATTR_INODE_GET_PARENT(inode) ((__u32)(inode)->i_mtime.tv_sec)
+
static int ext4_xattr_inode_iget(struct inode *parent, unsigned long ea_ino,
- struct inode **ea_inode)
+ u32 ea_inode_hash, struct inode **ea_inode)
{
struct inode *inode;
int err;
@@ -385,6 +387,24 @@ static int ext4_xattr_inode_iget(struct inode *parent, unsigned long ea_ino,
goto error;
}
+ ext4_xattr_inode_set_class(inode);
+
+ /*
+ * Check whether this is an old Lustre-style xattr inode. Lustre
+ * implementation does not have hash validation, rather it has a
+ * backpointer from ea_inode to the parent inode.
+ */
+ if (ea_inode_hash != ext4_xattr_inode_get_hash(inode) &&
+ EXT4_XATTR_INODE_GET_PARENT(inode) == parent->i_ino &&
+ inode->i_generation == parent->i_generation) {
+ ext4_set_inode_state(inode, EXT4_STATE_LUSTRE_EA_INODE);
+ ext4_xattr_inode_set_ref(inode, 1);
+ } else {
+ inode_lock(inode);
+ inode->i_flags |= S_NOQUOTA;
+ inode_unlock(inode);
+ }
+
*ea_inode = inode;
return 0;
error:
@@ -417,8 +437,6 @@ ext4_xattr_inode_verify_hashes(struct inode *ea_inode,
return 0;
}
-#define EXT4_XATTR_INODE_GET_PARENT(inode) ((__u32)(inode)->i_mtime.tv_sec)
-
/*
* Read xattr value from the EA inode.
*/
@@ -431,7 +449,7 @@ ext4_xattr_inode_get(struct inode *inode, struct ext4_xattr_entry *entry,
int err;
err = ext4_xattr_inode_iget(inode, le32_to_cpu(entry->e_value_inum),
- &ea_inode);
+ le32_to_cpu(entry->e_hash), &ea_inode);
if (err) {
ea_inode = NULL;
goto out;
@@ -449,29 +467,20 @@ ext4_xattr_inode_get(struct inode *inode, struct ext4_xattr_entry *entry,
if (err)
goto out;
- err = ext4_xattr_inode_verify_hashes(ea_inode, entry, buffer, size);
- /*
- * Compatibility check for old Lustre ea_inode implementation. Old
- * version does not have hash validation, but it has a backpointer
- * from ea_inode to the parent inode.
- */
- if (err == -EFSCORRUPTED) {
- if (EXT4_XATTR_INODE_GET_PARENT(ea_inode) != inode->i_ino ||
- ea_inode->i_generation != inode->i_generation) {
+ if (!ext4_test_inode_state(ea_inode, EXT4_STATE_LUSTRE_EA_INODE)) {
+ err = ext4_xattr_inode_verify_hashes(ea_inode, entry, buffer,
+ size);
+ if (err) {
ext4_warning_inode(ea_inode,
"EA inode hash validation failed");
goto out;
}
- /* Do not add ea_inode to the cache. */
- ea_inode_cache = NULL;
- err = 0;
- } else if (err)
- goto out;
- if (ea_inode_cache)
- mb_cache_entry_create(ea_inode_cache, GFP_NOFS,
- ext4_xattr_inode_get_hash(ea_inode),
- ea_inode->i_ino, true /* reusable */);
+ if (ea_inode_cache)
+ mb_cache_entry_create(ea_inode_cache, GFP_NOFS,
+ ext4_xattr_inode_get_hash(ea_inode),
+ ea_inode->i_ino, true /* reusable */);
+ }
out:
iput(ea_inode);
return err;
@@ -838,10 +847,15 @@ static int ext4_xattr_inode_alloc_quota(struct inode *inode, size_t len)
return err;
}
-static void ext4_xattr_inode_free_quota(struct inode *inode, size_t len)
+static void ext4_xattr_inode_free_quota(struct inode *parent,
+ struct inode *ea_inode,
+ size_t len)
{
- dquot_free_space_nodirty(inode, round_up_cluster(inode, len));
- dquot_free_inode(inode);
+ if (ea_inode &&
+ ext4_test_inode_state(ea_inode, EXT4_STATE_LUSTRE_EA_INODE))
+ return;
+ dquot_free_space_nodirty(parent, round_up_cluster(parent, len));
+ dquot_free_inode(parent);
}
int __ext4_xattr_set_credits(struct super_block *sb, struct inode *inode,
@@ -1071,7 +1085,9 @@ static int ext4_xattr_inode_inc_ref_all(handle_t *handle, struct inode *parent,
if (!entry->e_value_inum)
continue;
ea_ino = le32_to_cpu(entry->e_value_inum);
- err = ext4_xattr_inode_iget(parent, ea_ino, &ea_inode);
+ err = ext4_xattr_inode_iget(parent, ea_ino,
+ le32_to_cpu(entry->e_hash),
+ &ea_inode);
if (err)
goto cleanup;
err = ext4_xattr_inode_inc_ref(handle, ea_inode);
@@ -1093,7 +1109,9 @@ cleanup:
if (!entry->e_value_inum)
continue;
ea_ino = le32_to_cpu(entry->e_value_inum);
- err = ext4_xattr_inode_iget(parent, ea_ino, &ea_inode);
+ err = ext4_xattr_inode_iget(parent, ea_ino,
+ le32_to_cpu(entry->e_hash),
+ &ea_inode);
if (err) {
ext4_warning(parent->i_sb,
"cleanup ea_ino %u iget error %d", ea_ino,
@@ -1131,7 +1149,9 @@ ext4_xattr_inode_dec_ref_all(handle_t *handle, struct inode *parent,
if (!entry->e_value_inum)
continue;
ea_ino = le32_to_cpu(entry->e_value_inum);
- err = ext4_xattr_inode_iget(parent, ea_ino, &ea_inode);
+ err = ext4_xattr_inode_iget(parent, ea_ino,
+ le32_to_cpu(entry->e_hash),
+ &ea_inode);
if (err)
continue;
@@ -1159,7 +1179,7 @@ ext4_xattr_inode_dec_ref_all(handle_t *handle, struct inode *parent,
}
if (!skip_quota)
- ext4_xattr_inode_free_quota(parent,
+ ext4_xattr_inode_free_quota(parent, ea_inode,
le32_to_cpu(entry->e_value_size));
/*
@@ -1591,6 +1611,7 @@ static int ext4_xattr_set_entry(struct ext4_xattr_info *i,
if (!s->not_found && here->e_value_inum) {
ret = ext4_xattr_inode_iget(inode,
le32_to_cpu(here->e_value_inum),
+ le32_to_cpu(here->e_hash),
&old_ea_inode);
if (ret) {
old_ea_inode = NULL;
@@ -1609,7 +1630,7 @@ static int ext4_xattr_set_entry(struct ext4_xattr_info *i,
&new_ea_inode);
if (ret) {
new_ea_inode = NULL;
- ext4_xattr_inode_free_quota(inode, i->value_len);
+ ext4_xattr_inode_free_quota(inode, NULL, i->value_len);
goto out;
}
}
@@ -1628,13 +1649,13 @@ static int ext4_xattr_set_entry(struct ext4_xattr_info *i,
ext4_warning_inode(new_ea_inode,
"dec ref new_ea_inode err=%d",
err);
- ext4_xattr_inode_free_quota(inode,
+ ext4_xattr_inode_free_quota(inode, new_ea_inode,
i->value_len);
}
goto out;
}
- ext4_xattr_inode_free_quota(inode,
+ ext4_xattr_inode_free_quota(inode, old_ea_inode,
le32_to_cpu(here->e_value_size));
}
@@ -1805,8 +1826,10 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode,
struct mb_cache_entry *ce = NULL;
int error = 0;
struct mb_cache *ea_block_cache = EA_BLOCK_CACHE(inode);
- struct inode *ea_inode = NULL;
- size_t old_ea_inode_size = 0;
+ struct inode *ea_inode = NULL, *tmp_inode;
+ size_t old_ea_inode_quota = 0;
+ unsigned int ea_ino;
+
#define header(x) ((struct ext4_xattr_header *)(x))
@@ -1865,12 +1888,24 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode,
* like it has an empty value.
*/
if (!s->not_found && s->here->e_value_inum) {
- /*
- * Defer quota free call for previous inode
- * until success is guaranteed.
- */
- old_ea_inode_size = le32_to_cpu(
+ ea_ino = le32_to_cpu(s->here->e_value_inum);
+ error = ext4_xattr_inode_iget(inode, ea_ino,
+ le32_to_cpu(s->here->e_hash),
+ &tmp_inode);
+ if (error)
+ goto cleanup;
+
+ if (!ext4_test_inode_state(tmp_inode,
+ EXT4_STATE_LUSTRE_EA_INODE)) {
+ /*
+ * Defer quota free call for previous
+ * inode until success is guaranteed.
+ */
+ old_ea_inode_quota = le32_to_cpu(
s->here->e_value_size);
+ }
+ iput(tmp_inode);
+
s->here->e_value_inum = 0;
s->here->e_value_size = 0;
}
@@ -1897,8 +1932,6 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode,
goto cleanup;
if (i->value && s->here->e_value_inum) {
- unsigned int ea_ino;
-
/*
* A ref count on ea_inode has been taken as part of the call to
* ext4_xattr_set_entry() above. We would like to drop this
@@ -1906,7 +1939,9 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode,
* initialized and has its own ref count on the ea_inode.
*/
ea_ino = le32_to_cpu(s->here->e_value_inum);
- error = ext4_xattr_inode_iget(inode, ea_ino, &ea_inode);
+ error = ext4_xattr_inode_iget(inode, ea_ino,
+ le32_to_cpu(s->here->e_hash),
+ &ea_inode);
if (error) {
ea_inode = NULL;
goto cleanup;
@@ -2056,8 +2091,8 @@ getblk_failed:
}
}
- if (old_ea_inode_size)
- ext4_xattr_inode_free_quota(inode, old_ea_inode_size);
+ if (old_ea_inode_quota)
+ ext4_xattr_inode_free_quota(inode, NULL, old_ea_inode_quota);
/* Update the inode. */
EXT4_I(inode)->i_file_acl = new_bh ? new_bh->b_blocknr : 0;
@@ -2084,7 +2119,7 @@ cleanup:
/* If there was an error, revert the quota charge. */
if (error)
- ext4_xattr_inode_free_quota(inode,
+ ext4_xattr_inode_free_quota(inode, ea_inode,
i_size_read(ea_inode));
iput(ea_inode);
}
@@ -2800,6 +2835,7 @@ int ext4_xattr_delete_inode(handle_t *handle, struct inode *inode,
struct ext4_xattr_ibody_header *header;
struct ext4_iloc iloc = { .bh = NULL };
struct ext4_xattr_entry *entry;
+ struct inode *ea_inode;
int error;
error = ext4_xattr_ensure_credits(handle, inode, extra_credits,
@@ -2854,10 +2890,19 @@ int ext4_xattr_delete_inode(handle_t *handle, struct inode *inode,
if (ext4_has_feature_ea_inode(inode->i_sb)) {
for (entry = BFIRST(bh); !IS_LAST_ENTRY(entry);
- entry = EXT4_XATTR_NEXT(entry))
- if (entry->e_value_inum)
- ext4_xattr_inode_free_quota(inode,
+ entry = EXT4_XATTR_NEXT(entry)) {
+ if (!entry->e_value_inum)
+ continue;
+ error = ext4_xattr_inode_iget(inode,
+ le32_to_cpu(entry->e_value_inum),
+ le32_to_cpu(entry->e_hash),
+ &ea_inode);
+ if (error)
+ continue;
+ ext4_xattr_inode_free_quota(inode, ea_inode,
le32_to_cpu(entry->e_value_size));
+ iput(ea_inode);
+ }
}